With 1GB of RAM, the smartphones is also packed with 8-megapixel rear camera with LED flash and 5-megapixel front-facing shooter with BSI sensor. Both devices have an 8GB of inbuilt storage and are powered with 2100mAh removable battery.

The Desire 620 Dual-SIM is available in Milky-way, Grey and Santorini White colour variants and Desire 620G Dual-SIM will be available in Marble White and Grey colour variants.

The handset measures 157.7x78.74x7.74mm and weighs 155 grams. The HTC Desire 820 packs a 2600mAh battery which is rated to deliver up to 22.4 hours (3G) of talk time and 424 hours (3G) of standby time.

HTC also announced the launch of Desire 820q with similar hardware specifications but is powered by a 1.2GHz Qualcomm Snapdragon 410 quad-core processor and has 1GB RAM. The device runs on Android 4.4 KitKat.